./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:43:12,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:43:12,560 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:43:12,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:43:12,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:43:12,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:43:12,569 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:43:12,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:43:12,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:43:12,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:43:12,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:43:12,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:43:12,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:43:12,574 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:43:12,575 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:43:12,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:43:12,576 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:43:12,577 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:43:12,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:43:12,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:43:12,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:43:12,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:43:12,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:43:12,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:43:12,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:43:12,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:43:12,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:43:12,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:43:12,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:43:12,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:43:12,587 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:43:12,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:43:12,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:43:12,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:43:12,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:43:12,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:43:12,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:43:12,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:43:12,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:43:12,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:43:12,600 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:43:12,600 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:43:12,601 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:43:12,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:43:12,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:43:12,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:43:12,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:43:12,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:43:12,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:43:12,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:43:12,604 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:43:12,604 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2018-12-09 09:43:12,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:43:12,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:43:12,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:43:12,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:43:12,639 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:43:12,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c [2018-12-09 09:43:12,678 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/data/1bd0e3922/da7ff6994d9346dbb8c22396408b635e/FLAGe9788e464 [2018-12-09 09:43:13,182 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:43:13,182 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c [2018-12-09 09:43:13,192 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/data/1bd0e3922/da7ff6994d9346dbb8c22396408b635e/FLAGe9788e464 [2018-12-09 09:43:13,201 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/data/1bd0e3922/da7ff6994d9346dbb8c22396408b635e [2018-12-09 09:43:13,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:43:13,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:43:13,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:43:13,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:43:13,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:43:13,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13, skipping insertion in model container [2018-12-09 09:43:13,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:43:13,252 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:43:13,561 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:43:13,564 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:43:13,742 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:43:13,752 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:43:13,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13 WrapperNode [2018-12-09 09:43:13,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:43:13,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:43:13,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:43:13,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:43:13,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:43:13,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:43:13,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:43:13,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:43:13,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... [2018-12-09 09:43:13,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:43:13,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:43:13,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:43:13,837 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:43:13,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:43:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:43:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:43:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 09:43:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 09:43:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 09:43:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 09:43:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:43:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:43:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:43:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:43:15,201 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:43:15,201 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 09:43:15,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:15 BoogieIcfgContainer [2018-12-09 09:43:15,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:43:15,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:43:15,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:43:15,205 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:43:15,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:43:13" (1/3) ... [2018-12-09 09:43:15,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250e760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:43:15, skipping insertion in model container [2018-12-09 09:43:15,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:13" (2/3) ... [2018-12-09 09:43:15,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250e760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:43:15, skipping insertion in model container [2018-12-09 09:43:15,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:15" (3/3) ... [2018-12-09 09:43:15,207 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label32_true-unreach-call.c [2018-12-09 09:43:15,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:43:15,221 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:43:15,234 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:43:15,257 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:43:15,257 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:43:15,257 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:43:15,257 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:43:15,257 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:43:15,258 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:43:15,258 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:43:15,258 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:43:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 09:43:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 09:43:15,277 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:43:15,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:15,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:43:15,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash -808797987, now seen corresponding path program 1 times [2018-12-09 09:43:15,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:43:15,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:15,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:15,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:15,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:43:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:43:15,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:43:15,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:43:15,460 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:43:15,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:43:15,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:43:15,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:43:15,473 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 09:43:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:43:16,598 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 09:43:16,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:43:16,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-12-09 09:43:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:43:16,609 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 09:43:16,609 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 09:43:16,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:43:16,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 09:43:16,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 09:43:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 09:43:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-09 09:43:16,663 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 54 [2018-12-09 09:43:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:43:16,663 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-09 09:43:16,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:43:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-09 09:43:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 09:43:16,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:43:16,666 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:16,666 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:43:16,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:16,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1409214545, now seen corresponding path program 1 times [2018-12-09 09:43:16,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:43:16,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:16,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:16,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:16,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:43:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:43:16,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:43:16,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:43:16,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:43:16,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:43:16,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:43:16,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:43:16,759 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-09 09:43:18,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:43:18,087 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-09 09:43:18,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:43:18,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2018-12-09 09:43:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:43:18,092 INFO L225 Difference]: With dead ends: 2066 [2018-12-09 09:43:18,092 INFO L226 Difference]: Without dead ends: 1390 [2018-12-09 09:43:18,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:43:18,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-09 09:43:18,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-09 09:43:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-09 09:43:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-09 09:43:18,123 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 123 [2018-12-09 09:43:18,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:43:18,123 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-09 09:43:18,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:43:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-09 09:43:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 09:43:18,125 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:43:18,125 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:18,126 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:43:18,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:18,126 INFO L82 PathProgramCache]: Analyzing trace with hash -102275548, now seen corresponding path program 1 times [2018-12-09 09:43:18,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:43:18,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:18,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:18,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:18,127 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:43:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:43:18,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:43:18,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:43:18,221 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:43:18,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:43:18,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:43:18,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:43:18,222 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-09 09:43:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:43:19,409 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-09 09:43:19,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:43:19,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-12-09 09:43:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:43:19,419 INFO L225 Difference]: With dead ends: 3472 [2018-12-09 09:43:19,419 INFO L226 Difference]: Without dead ends: 2106 [2018-12-09 09:43:19,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:43:19,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-09 09:43:19,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-09 09:43:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-09 09:43:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-09 09:43:19,470 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 152 [2018-12-09 09:43:19,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:43:19,470 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-09 09:43:19,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:43:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-09 09:43:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 09:43:19,473 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:43:19,473 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:19,473 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:43:19,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:19,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2025156256, now seen corresponding path program 1 times [2018-12-09 09:43:19,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:43:19,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:19,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:19,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:19,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:43:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:43:19,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:43:19,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:43:19,551 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:43:19,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:43:19,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:43:19,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:43:19,552 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-09 09:43:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:43:20,892 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-09 09:43:20,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:43:20,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-12-09 09:43:20,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:43:20,908 INFO L225 Difference]: With dead ends: 5241 [2018-12-09 09:43:20,908 INFO L226 Difference]: Without dead ends: 3166 [2018-12-09 09:43:20,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:43:20,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-09 09:43:20,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-09 09:43:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-09 09:43:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-09 09:43:20,957 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 170 [2018-12-09 09:43:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:43:20,957 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-09 09:43:20,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:43:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-09 09:43:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 09:43:20,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:43:20,960 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:20,960 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:43:20,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:20,960 INFO L82 PathProgramCache]: Analyzing trace with hash -925564779, now seen corresponding path program 1 times [2018-12-09 09:43:20,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:43:20,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:20,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:20,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:20,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:43:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 113 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:43:21,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:43:21,079 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:43:21,080 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 253 with the following transitions: [2018-12-09 09:43:21,082 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:43:21,119 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:43:21,119 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:43:21,427 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:43:21,428 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 09:43:21,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:21,441 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:43:21,727 INFO L227 lantSequenceWeakener]: Weakened 243 states. On average, predicates are now at 77.95% of their original sizes. [2018-12-09 09:43:21,727 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:43:21,749 INFO L418 sIntCurrentIteration]: We unified 251 AI predicates to 251 [2018-12-09 09:43:21,749 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:43:21,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:43:21,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-09 09:43:21,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:43:21,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:43:21,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:43:21,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:43:21,750 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-09 09:43:53,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:43:53,120 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-09 09:43:53,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:43:53,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 252 [2018-12-09 09:43:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:43:53,126 INFO L225 Difference]: With dead ends: 6612 [2018-12-09 09:43:53,126 INFO L226 Difference]: Without dead ends: 3478 [2018-12-09 09:43:53,129 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:43:53,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-09 09:43:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-09 09:43:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-09 09:43:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-09 09:43:53,169 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 252 [2018-12-09 09:43:53,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:43:53,169 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-09 09:43:53,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:43:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-09 09:43:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 09:43:53,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:43:53,174 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:53,174 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:43:53,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:53,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1604704637, now seen corresponding path program 1 times [2018-12-09 09:43:53,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:43:53,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:53,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:53,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:53,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:43:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 211 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 09:43:53,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:43:53,342 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:43:53,342 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 344 with the following transitions: [2018-12-09 09:43:53,342 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:43:53,345 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:43:53,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:43:53,529 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:43:53,529 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 09:43:53,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:53,531 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:43:53,755 INFO L227 lantSequenceWeakener]: Weakened 340 states. On average, predicates are now at 80.52% of their original sizes. [2018-12-09 09:43:53,755 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:43:53,788 INFO L418 sIntCurrentIteration]: We unified 342 AI predicates to 342 [2018-12-09 09:43:53,788 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:43:53,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:43:53,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 09:43:53,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:43:53,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 09:43:53,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 09:43:53,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:43:53,789 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-09 09:45:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:45:20,930 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-09 09:45:20,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 09:45:20,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 343 [2018-12-09 09:45:20,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:45:20,939 INFO L225 Difference]: With dead ends: 7683 [2018-12-09 09:45:20,939 INFO L226 Difference]: Without dead ends: 4549 [2018-12-09 09:45:20,942 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 09:45:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-09 09:45:20,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-09 09:45:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 09:45:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-09 09:45:20,995 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 343 [2018-12-09 09:45:20,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:45:20,996 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-09 09:45:20,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 09:45:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-09 09:45:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2018-12-09 09:45:21,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:45:21,002 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:45:21,002 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:45:21,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:21,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2088893675, now seen corresponding path program 1 times [2018-12-09 09:45:21,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:45:21,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:21,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:45:21,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:21,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:45:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:45:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 232 proven. 46 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 09:45:21,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:45:21,175 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:45:21,175 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 492 with the following transitions: [2018-12-09 09:45:21,175 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:45:21,179 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:45:21,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:45:21,531 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:45:21,531 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8346 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8346 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 09:45:21,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:21,537 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:45:21,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:45:21,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:45:21,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:45:21,544 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:45:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:45:21,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:45:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 09:45:21,770 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:45:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 09:45:21,907 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:45:21,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-09 09:45:21,907 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:45:21,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:45:21,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:45:21,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:45:21,908 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-09 09:45:22,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:45:22,637 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-09 09:45:22,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:45:22,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 491 [2018-12-09 09:45:22,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:45:22,645 INFO L225 Difference]: With dead ends: 8693 [2018-12-09 09:45:22,645 INFO L226 Difference]: Without dead ends: 4518 [2018-12-09 09:45:22,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 983 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:45:22,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-09 09:45:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-09 09:45:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 09:45:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-09 09:45:22,694 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 491 [2018-12-09 09:45:22,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:45:22,695 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-09 09:45:22,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:45:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-09 09:45:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-12-09 09:45:22,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:45:22,702 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:45:22,702 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:45:22,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1104449027, now seen corresponding path program 1 times [2018-12-09 09:45:22,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:45:22,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:22,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:45:22,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:22,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:45:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:45:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 70 proven. 243 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:45:23,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:45:23,192 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:45:23,192 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 517 with the following transitions: [2018-12-09 09:45:23,192 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:45:23,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:45:23,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:45:23,416 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:45:23,416 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8235 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8235 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 09:45:23,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:23,418 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:45:23,668 INFO L227 lantSequenceWeakener]: Weakened 513 states. On average, predicates are now at 80.33% of their original sizes. [2018-12-09 09:45:23,669 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:45:23,709 INFO L418 sIntCurrentIteration]: We unified 515 AI predicates to 515 [2018-12-09 09:45:23,709 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:45:23,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:45:23,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-09 09:45:23,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:45:23,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:45:23,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:45:23,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:45:23,710 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 9 states. [2018-12-09 09:45:54,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:45:54,091 INFO L93 Difference]: Finished difference Result 5892 states and 7034 transitions. [2018-12-09 09:45:54,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 09:45:54,091 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 516 [2018-12-09 09:45:54,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:45:54,104 INFO L225 Difference]: With dead ends: 5892 [2018-12-09 09:45:54,104 INFO L226 Difference]: Without dead ends: 5890 [2018-12-09 09:45:54,106 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 522 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:45:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-09 09:45:54,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-09 09:45:54,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-09 09:45:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 7021 transitions. [2018-12-09 09:45:54,182 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 7021 transitions. Word has length 516 [2018-12-09 09:45:54,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:45:54,183 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 7021 transitions. [2018-12-09 09:45:54,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:45:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 7021 transitions. [2018-12-09 09:45:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2018-12-09 09:45:54,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:45:54,192 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:45:54,192 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:45:54,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:54,193 INFO L82 PathProgramCache]: Analyzing trace with hash -2055273060, now seen corresponding path program 1 times [2018-12-09 09:45:54,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:45:54,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:54,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:45:54,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:54,194 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:45:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:45:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 427 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 09:45:54,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:45:54,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:45:54,429 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 654 with the following transitions: [2018-12-09 09:45:54,429 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:45:54,431 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:45:54,431 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:45:54,827 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:45:54,828 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 11690 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11690 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 09:45:54,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:54,830 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:45:54,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:45:54,830 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:45:54,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:45:54,839 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:45:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:45:54,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:45:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 718 proven. 2 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-09 09:45:55,100 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:45:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 427 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 09:45:55,305 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:45:55,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 09:45:55,305 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:45:55,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:45:55,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:45:55,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:45:55,306 INFO L87 Difference]: Start difference. First operand 5879 states and 7021 transitions. Second operand 9 states. [2018-12-09 09:45:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:45:58,866 INFO L93 Difference]: Finished difference Result 13972 states and 17412 transitions. [2018-12-09 09:45:58,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 09:45:58,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 653 [2018-12-09 09:45:58,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:45:58,889 INFO L225 Difference]: With dead ends: 13972 [2018-12-09 09:45:58,889 INFO L226 Difference]: Without dead ends: 8436 [2018-12-09 09:45:58,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1309 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:45:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-09 09:45:58,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-09 09:45:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-09 09:45:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10171 transitions. [2018-12-09 09:45:58,981 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10171 transitions. Word has length 653 [2018-12-09 09:45:58,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:45:58,982 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10171 transitions. [2018-12-09 09:45:58,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:45:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10171 transitions. [2018-12-09 09:45:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2018-12-09 09:45:58,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:45:58,991 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:45:58,992 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:45:58,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:45:58,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1938784575, now seen corresponding path program 1 times [2018-12-09 09:45:58,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:45:58,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:58,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:45:58,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:45:58,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:45:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 484 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-09 09:46:00,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:46:00,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:46:00,213 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 898 with the following transitions: [2018-12-09 09:46:00,213 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:46:00,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:46:00,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:46:00,366 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:46:00,366 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5483 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5483 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 09:46:00,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:00,368 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:46:00,760 INFO L227 lantSequenceWeakener]: Weakened 894 states. On average, predicates are now at 77.5% of their original sizes. [2018-12-09 09:46:00,760 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:46:00,806 INFO L418 sIntCurrentIteration]: We unified 896 AI predicates to 896 [2018-12-09 09:46:00,806 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:46:00,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:46:00,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-09 09:46:00,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:46:00,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 09:46:00,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 09:46:00,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:46:00,807 INFO L87 Difference]: Start difference. First operand 8412 states and 10171 transitions. Second operand 10 states. [2018-12-09 09:46:32,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:46:32,236 INFO L93 Difference]: Finished difference Result 16822 states and 20382 transitions. [2018-12-09 09:46:32,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:46:32,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 897 [2018-12-09 09:46:32,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:46:32,251 INFO L225 Difference]: With dead ends: 16822 [2018-12-09 09:46:32,251 INFO L226 Difference]: Without dead ends: 8753 [2018-12-09 09:46:32,260 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 904 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 09:46:32,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-12-09 09:46:32,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8751. [2018-12-09 09:46:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8751 states. [2018-12-09 09:46:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8751 states to 8751 states and 10527 transitions. [2018-12-09 09:46:32,344 INFO L78 Accepts]: Start accepts. Automaton has 8751 states and 10527 transitions. Word has length 897 [2018-12-09 09:46:32,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:46:32,345 INFO L480 AbstractCegarLoop]: Abstraction has 8751 states and 10527 transitions. [2018-12-09 09:46:32,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 09:46:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8751 states and 10527 transitions. [2018-12-09 09:46:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2018-12-09 09:46:32,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:46:32,355 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:46:32,355 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:46:32,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:32,356 INFO L82 PathProgramCache]: Analyzing trace with hash 635909295, now seen corresponding path program 1 times [2018-12-09 09:46:32,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:46:32,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:32,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:32,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:32,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:46:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2018-12-09 09:46:32,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:46:32,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:46:32,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:46:32,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:46:32,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:46:32,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:46:32,744 INFO L87 Difference]: Start difference. First operand 8751 states and 10527 transitions. Second operand 3 states. [2018-12-09 09:46:33,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:46:33,937 INFO L93 Difference]: Finished difference Result 21995 states and 27424 transitions. [2018-12-09 09:46:33,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:46:33,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 905 [2018-12-09 09:46:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:46:33,969 INFO L225 Difference]: With dead ends: 21995 [2018-12-09 09:46:33,969 INFO L226 Difference]: Without dead ends: 13528 [2018-12-09 09:46:33,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:46:33,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13528 states. [2018-12-09 09:46:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13528 to 13528. [2018-12-09 09:46:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13528 states. [2018-12-09 09:46:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13528 states to 13528 states and 15153 transitions. [2018-12-09 09:46:34,118 INFO L78 Accepts]: Start accepts. Automaton has 13528 states and 15153 transitions. Word has length 905 [2018-12-09 09:46:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:46:34,119 INFO L480 AbstractCegarLoop]: Abstraction has 13528 states and 15153 transitions. [2018-12-09 09:46:34,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:46:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 13528 states and 15153 transitions. [2018-12-09 09:46:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2018-12-09 09:46:34,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:46:34,132 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:46:34,132 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:46:34,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:34,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1703869015, now seen corresponding path program 1 times [2018-12-09 09:46:34,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:46:34,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:34,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:34,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:34,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:46:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 923 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 09:46:34,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:46:34,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:46:34,685 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 990 with the following transitions: [2018-12-09 09:46:34,685 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:46:34,687 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:46:34,687 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:46:34,922 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:46:34,922 INFO L272 AbstractInterpreter]: Visited 265 different actions 782 times. Merged at 4 different actions 7 times. Never widened. Performed 9187 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9187 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 09:46:34,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:34,924 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:46:35,379 INFO L227 lantSequenceWeakener]: Weakened 986 states. On average, predicates are now at 80.19% of their original sizes. [2018-12-09 09:46:35,379 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:46:35,432 INFO L418 sIntCurrentIteration]: We unified 988 AI predicates to 988 [2018-12-09 09:46:35,433 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:46:35,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:46:35,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 09:46:35,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:46:35,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:46:35,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:46:35,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:46:35,434 INFO L87 Difference]: Start difference. First operand 13528 states and 15153 transitions. Second operand 9 states. [2018-12-09 09:46:50,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:46:50,146 INFO L93 Difference]: Finished difference Result 26383 states and 29623 transitions. [2018-12-09 09:46:50,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 09:46:50,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 989 [2018-12-09 09:46:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:46:50,167 INFO L225 Difference]: With dead ends: 26383 [2018-12-09 09:46:50,167 INFO L226 Difference]: Without dead ends: 13537 [2018-12-09 09:46:50,185 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 995 GetRequests, 981 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:46:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13537 states. [2018-12-09 09:46:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13537 to 13530. [2018-12-09 09:46:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13530 states. [2018-12-09 09:46:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15152 transitions. [2018-12-09 09:46:50,310 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15152 transitions. Word has length 989 [2018-12-09 09:46:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:46:50,311 INFO L480 AbstractCegarLoop]: Abstraction has 13530 states and 15152 transitions. [2018-12-09 09:46:50,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:46:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15152 transitions. [2018-12-09 09:46:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2018-12-09 09:46:50,322 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:46:50,322 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:46:50,322 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:46:50,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:50,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1404878441, now seen corresponding path program 1 times [2018-12-09 09:46:50,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:46:50,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:50,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:50,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:50,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:46:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 1068 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-09 09:46:50,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:46:50,989 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:46:50,989 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1085 with the following transitions: [2018-12-09 09:46:50,989 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:46:50,991 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:46:50,991 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:46:51,428 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:46:51,428 INFO L272 AbstractInterpreter]: Visited 267 different actions 1074 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 12769 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 09:46:51,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:51,430 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:46:51,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:46:51,431 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:46:51,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:51,437 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:46:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:51,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:46:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 1068 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-09 09:46:51,891 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:46:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 1068 proven. 2 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-12-09 09:46:52,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:46:52,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 09:46:52,425 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:46:52,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:46:52,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:46:52,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:46:52,426 INFO L87 Difference]: Start difference. First operand 13530 states and 15152 transitions. Second operand 9 states. [2018-12-09 09:46:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:46:54,278 INFO L93 Difference]: Finished difference Result 32953 states and 37705 transitions. [2018-12-09 09:46:54,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:46:54,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1084 [2018-12-09 09:46:54,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:46:54,304 INFO L225 Difference]: With dead ends: 32953 [2018-12-09 09:46:54,304 INFO L226 Difference]: Without dead ends: 17319 [2018-12-09 09:46:54,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2183 GetRequests, 2168 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:46:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17319 states. [2018-12-09 09:46:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17319 to 17247. [2018-12-09 09:46:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17247 states. [2018-12-09 09:46:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17247 states to 17247 states and 18953 transitions. [2018-12-09 09:46:54,481 INFO L78 Accepts]: Start accepts. Automaton has 17247 states and 18953 transitions. Word has length 1084 [2018-12-09 09:46:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:46:54,482 INFO L480 AbstractCegarLoop]: Abstraction has 17247 states and 18953 transitions. [2018-12-09 09:46:54,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:46:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 17247 states and 18953 transitions. [2018-12-09 09:46:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2018-12-09 09:46:54,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:46:54,500 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:46:54,501 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:46:54,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:54,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1674528944, now seen corresponding path program 1 times [2018-12-09 09:46:54,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:46:54,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:54,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:54,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:54,502 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:46:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 1330 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 09:46:55,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:46:55,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:46:55,383 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1366 with the following transitions: [2018-12-09 09:46:55,383 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1404], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:46:55,386 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:46:55,387 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:46:56,140 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:46:56,140 INFO L272 AbstractInterpreter]: Visited 286 different actions 1143 times. Merged at 8 different actions 31 times. Never widened. Performed 13772 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13772 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 09:46:56,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:56,142 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:46:56,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:46:56,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:46:56,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:56,148 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:46:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:46:56,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:46:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 1330 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 09:46:56,778 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:46:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3106 backedges. 1330 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 09:46:57,466 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:46:57,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 09:46:57,467 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:46:57,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:46:57,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:46:57,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:46:57,468 INFO L87 Difference]: Start difference. First operand 17247 states and 18953 transitions. Second operand 9 states. [2018-12-09 09:46:59,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:46:59,713 INFO L93 Difference]: Finished difference Result 34001 states and 38217 transitions. [2018-12-09 09:46:59,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 09:46:59,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1365 [2018-12-09 09:46:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:46:59,740 INFO L225 Difference]: With dead ends: 34001 [2018-12-09 09:46:59,740 INFO L226 Difference]: Without dead ends: 17721 [2018-12-09 09:46:59,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2757 GetRequests, 2735 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 09:46:59,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17721 states. [2018-12-09 09:46:59,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17721 to 16883. [2018-12-09 09:46:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16883 states. [2018-12-09 09:46:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16883 states to 16883 states and 18277 transitions. [2018-12-09 09:46:59,925 INFO L78 Accepts]: Start accepts. Automaton has 16883 states and 18277 transitions. Word has length 1365 [2018-12-09 09:46:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:46:59,925 INFO L480 AbstractCegarLoop]: Abstraction has 16883 states and 18277 transitions. [2018-12-09 09:46:59,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:46:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 16883 states and 18277 transitions. [2018-12-09 09:46:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1368 [2018-12-09 09:46:59,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:46:59,941 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:46:59,941 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:46:59,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:46:59,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1183347788, now seen corresponding path program 1 times [2018-12-09 09:46:59,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:46:59,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:59,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:46:59,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:46:59,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:47:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 1742 proven. 651 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-12-09 09:47:00,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:47:00,980 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:47:00,981 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1368 with the following transitions: [2018-12-09 09:47:00,981 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:47:00,983 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:47:00,983 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:47:01,734 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:47:01,734 INFO L272 AbstractInterpreter]: Visited 286 different actions 1144 times. Merged at 8 different actions 32 times. Never widened. Performed 13810 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 09:47:01,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:01,737 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:47:01,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:47:01,737 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:47:01,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:01,743 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:47:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:01,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-09 09:47:02,339 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:47:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-09 09:47:03,074 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:47:03,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 09:47:03,075 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:47:03,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:47:03,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:47:03,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:47:03,076 INFO L87 Difference]: Start difference. First operand 16883 states and 18277 transitions. Second operand 3 states. [2018-12-09 09:47:03,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:03,614 INFO L93 Difference]: Finished difference Result 30725 states and 33395 transitions. [2018-12-09 09:47:03,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:47:03,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1367 [2018-12-09 09:47:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:03,639 INFO L225 Difference]: With dead ends: 30725 [2018-12-09 09:47:03,639 INFO L226 Difference]: Without dead ends: 16883 [2018-12-09 09:47:03,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2748 GetRequests, 2736 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:47:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16883 states. [2018-12-09 09:47:03,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16883 to 16883. [2018-12-09 09:47:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16883 states. [2018-12-09 09:47:03,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16883 states to 16883 states and 18186 transitions. [2018-12-09 09:47:03,796 INFO L78 Accepts]: Start accepts. Automaton has 16883 states and 18186 transitions. Word has length 1367 [2018-12-09 09:47:03,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:03,797 INFO L480 AbstractCegarLoop]: Abstraction has 16883 states and 18186 transitions. [2018-12-09 09:47:03,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:47:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 16883 states and 18186 transitions. [2018-12-09 09:47:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1409 [2018-12-09 09:47:03,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:03,812 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:03,812 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:03,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:03,812 INFO L82 PathProgramCache]: Analyzing trace with hash 629925197, now seen corresponding path program 1 times [2018-12-09 09:47:03,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:47:03,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:03,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:03,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:03,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:47:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3127 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2018-12-09 09:47:04,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:47:04,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:47:04,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:47:04,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:47:04,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:47:04,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:47:04,449 INFO L87 Difference]: Start difference. First operand 16883 states and 18186 transitions. Second operand 4 states. [2018-12-09 09:47:05,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:05,381 INFO L93 Difference]: Finished difference Result 28317 states and 30646 transitions. [2018-12-09 09:47:05,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:47:05,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1408 [2018-12-09 09:47:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:05,398 INFO L225 Difference]: With dead ends: 28317 [2018-12-09 09:47:05,398 INFO L226 Difference]: Without dead ends: 13089 [2018-12-09 09:47:05,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:47:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13089 states. [2018-12-09 09:47:05,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13089 to 13089. [2018-12-09 09:47:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13089 states. [2018-12-09 09:47:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13089 states to 13089 states and 13903 transitions. [2018-12-09 09:47:05,527 INFO L78 Accepts]: Start accepts. Automaton has 13089 states and 13903 transitions. Word has length 1408 [2018-12-09 09:47:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:05,528 INFO L480 AbstractCegarLoop]: Abstraction has 13089 states and 13903 transitions. [2018-12-09 09:47:05,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:47:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 13089 states and 13903 transitions. [2018-12-09 09:47:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1541 [2018-12-09 09:47:05,546 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:05,547 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:05,547 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:05,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:05,547 INFO L82 PathProgramCache]: Analyzing trace with hash 823167474, now seen corresponding path program 1 times [2018-12-09 09:47:05,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:47:05,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:05,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:05,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:05,548 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:47:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-09 09:47:06,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:47:06,474 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:47:06,475 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1541 with the following transitions: [2018-12-09 09:47:06,475 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:47:06,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:47:06,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:47:07,267 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:47:07,267 INFO L272 AbstractInterpreter]: Visited 287 different actions 1146 times. Merged at 9 different actions 30 times. Widened at 1 different actions 1 times. Performed 13840 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13840 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 09:47:07,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:07,272 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:47:07,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:47:07,272 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:47:07,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:07,279 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:47:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:07,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-09 09:47:08,017 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:47:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 2811 trivial. 0 not checked. [2018-12-09 09:47:08,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:47:08,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 09:47:08,780 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:47:08,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:47:08,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:47:08,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:47:08,781 INFO L87 Difference]: Start difference. First operand 13089 states and 13903 transitions. Second operand 9 states. [2018-12-09 09:47:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:10,461 INFO L93 Difference]: Finished difference Result 25063 states and 26460 transitions. [2018-12-09 09:47:10,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 09:47:10,462 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1540 [2018-12-09 09:47:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:10,476 INFO L225 Difference]: With dead ends: 25063 [2018-12-09 09:47:10,476 INFO L226 Difference]: Without dead ends: 12656 [2018-12-09 09:47:10,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3097 GetRequests, 3081 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:47:10,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12656 states. [2018-12-09 09:47:10,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12656 to 12630. [2018-12-09 09:47:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12630 states. [2018-12-09 09:47:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12630 states to 12630 states and 13055 transitions. [2018-12-09 09:47:10,587 INFO L78 Accepts]: Start accepts. Automaton has 12630 states and 13055 transitions. Word has length 1540 [2018-12-09 09:47:10,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:10,588 INFO L480 AbstractCegarLoop]: Abstraction has 12630 states and 13055 transitions. [2018-12-09 09:47:10,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:47:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12630 states and 13055 transitions. [2018-12-09 09:47:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1706 [2018-12-09 09:47:10,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:47:10,615 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:47:10,615 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:47:10,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1349316220, now seen corresponding path program 1 times [2018-12-09 09:47:10,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:47:10,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:10,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:10,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:47:10,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:47:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 3094 proven. 731 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2018-12-09 09:47:12,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:47:12,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:47:12,695 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1706 with the following transitions: [2018-12-09 09:47:12,695 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 09:47:12,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:47:12,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:47:13,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:47:13,485 INFO L272 AbstractInterpreter]: Visited 288 different actions 1153 times. Merged at 10 different actions 33 times. Never widened. Performed 13873 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13873 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 09:47:13,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:47:13,486 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:47:13,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:47:13,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:47:13,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:47:13,492 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:47:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:47:13,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:47:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 3675 proven. 2 refuted. 0 times theorem prover too weak. 1638 trivial. 0 not checked. [2018-12-09 09:47:14,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:47:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 1217 proven. 588 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2018-12-09 09:47:17,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:47:17,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 20 [2018-12-09 09:47:17,052 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:47:17,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 09:47:17,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 09:47:17,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-12-09 09:47:17,053 INFO L87 Difference]: Start difference. First operand 12630 states and 13055 transitions. Second operand 18 states. [2018-12-09 09:47:31,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:47:31,031 INFO L93 Difference]: Finished difference Result 22953 states and 23841 transitions. [2018-12-09 09:47:31,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-09 09:47:31,032 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1705 [2018-12-09 09:47:31,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:47:31,033 INFO L225 Difference]: With dead ends: 22953 [2018-12-09 09:47:31,033 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:47:31,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3498 GetRequests, 3440 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=559, Invalid=2411, Unknown=0, NotChecked=0, Total=2970 [2018-12-09 09:47:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:47:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:47:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:47:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:47:31,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1705 [2018-12-09 09:47:31,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:47:31,050 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:47:31,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 09:47:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:47:31,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:47:31,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:47:31,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,286 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 229 [2018-12-09 09:47:31,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:47:31,716 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 271 [2018-12-09 09:47:32,269 WARN L180 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 76 [2018-12-09 09:47:33,581 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 269 DAG size of output: 114 [2018-12-09 09:47:34,875 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 266 DAG size of output: 109 [2018-12-09 09:47:36,340 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 272 DAG size of output: 120 [2018-12-09 09:47:37,041 WARN L180 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 75 [2018-12-09 09:47:37,042 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:47:37,042 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 09:47:37,042 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:47:37,042 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,042 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,043 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse1 (<= (+ ~a18~0 156) 0)) (.cse24 (< 0 (+ ~a18~0 79)))) (let ((.cse3 (= 8 |old(~a12~0)|)) (.cse12 (not (= 3 |old(~a15~0)|))) (.cse4 (< 0 (+ |old(~a18~0)| 156))) (.cse23 (<= (+ |old(~a18~0)| 79) 0)) (.cse27 (= |old(~a16~0)| ~a16~0)) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse22 (or (and .cse1 (= ~a15~0 3)) .cse24))) (let ((.cse5 (and .cse27 .cse9 .cse11 .cse22)) (.cse8 (< |old(~a15~0)| 4)) (.cse15 (and .cse27 .cse9 .cse11)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse16 (and (= ~a16~0 10) .cse9 .cse11)) (.cse0 (not (= 8 |old(~a16~0)|))) (.cse18 (< 7 |old(~a12~0)|)) (.cse2 (= 4 |old(~a15~0)|)) (.cse17 (not (= 10 |old(~a16~0)|))) (.cse26 (= (+ ~a18~0 87) 0)) (.cse25 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (and (or .cse12 .cse4) .cse23)) (.cse7 (not .cse3)) (.cse20 (< |old(~a16~0)| 12)) (.cse21 (not (= 9 |old(~a16~0)|))) (.cse19 (= 6 |old(~a12~0)|)) (.cse13 (= 0 |old(~a12~0)|)) (.cse14 (not (= 11 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 (and .cse1 .cse9 .cse10 .cse11) .cse7 .cse4 .cse8) (or .cse12 .cse3 .cse13 .cse14 (and .cse9 .cse10 .cse11)) (or .cse0 .cse3 .cse15) (or .cse16 .cse17 .cse18) (or .cse19 .cse2 .cse3 .cse20 .cse1 .cse4) (or .cse1 (or .cse21 .cse18 .cse4) .cse8) (or .cse6 .cse7 .cse5 .cse21) (or .cse0 .cse15 .cse2) (or .cse17 .cse1 .cse18 .cse4 .cse8) (or .cse2 .cse15 .cse20) (or .cse15 .cse21 .cse8) (or .cse19 .cse3 .cse15 .cse21) (or .cse2 .cse6 .cse7 .cse20 .cse22) (or .cse12 .cse7 (and .cse23 .cse4) .cse14 (and (or .cse1 .cse24) .cse10 (= 3 ~a15~0) .cse11)) (or (or .cse12 .cse25 (not .cse19) .cse14) .cse26) (or .cse2 .cse16 .cse17) (or .cse0 .cse1 .cse18 .cse4) (or .cse19 .cse2 (and .cse1 .cse27 .cse9 .cse11) .cse21 .cse4) (or .cse19 .cse1 .cse2 .cse17 .cse4) (or .cse12 (not (= 5 |old(~a12~0)|)) .cse26 .cse25 .cse14) (or .cse1 .cse6 .cse7 .cse20 .cse4) (or .cse19 .cse3 .cse1 .cse21 .cse4) (or .cse1 .cse19 .cse12 .cse13 .cse14 .cse4))))) [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,044 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 09:47:37,045 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (<= (+ ~a18~0 156) 0)) (.cse24 (< 0 (+ ~a18~0 79)))) (let ((.cse3 (= 8 |old(~a12~0)|)) (.cse9 (not (= 3 |old(~a15~0)|))) (.cse4 (< 0 (+ |old(~a18~0)| 156))) (.cse23 (<= (+ |old(~a18~0)| 79) 0)) (.cse28 (= |old(~a16~0)| ~a16~0)) (.cse13 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0)) (.cse27 (or (and .cse1 (= ~a15~0 3)) .cse24))) (let ((.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse17 (not (= 11 |old(~a16~0)|))) (.cse26 (= 0 |old(~a12~0)|)) (.cse5 (and .cse28 .cse13 .cse15 .cse27)) (.cse8 (< |old(~a15~0)| 4)) (.cse18 (and .cse28 .cse13 .cse15)) (.cse19 (and (= ~a16~0 10) .cse13 .cse15)) (.cse0 (not (= 8 |old(~a16~0)|))) (.cse21 (< 7 |old(~a12~0)|)) (.cse2 (= 4 |old(~a15~0)|)) (.cse20 (not (= 10 |old(~a16~0)|))) (.cse6 (and (or .cse9 .cse4) .cse23)) (.cse7 (not .cse3)) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse11 (not (= calculate_output_~input 0))) (.cse25 (< |old(~a16~0)| 12)) (.cse12 (= |calculate_output_#in~input| 0)) (.cse16 (= 6 |old(~a12~0)|)) (.cse22 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or (or .cse0 .cse9 .cse10) .cse11 .cse12) (or .cse0 (and .cse1 .cse13 .cse14 .cse15) .cse7 .cse4 .cse8) (or .cse12 (and (or .cse9 (not .cse16) .cse17) (or .cse9 .cse10 .cse17)) (not (= (+ |old(~a18~0)| 87) 0)) (= (+ ~a18~0 87) 0)) (or .cse0 .cse3 .cse18) (or .cse19 .cse20 .cse21) (or .cse11 .cse9 .cse10 .cse12 .cse22) (or .cse9 .cse7 (and .cse23 .cse4) .cse17 .cse12 (and (or .cse1 .cse24) .cse11 .cse14 (= 3 ~a15~0) .cse15)) (or .cse16 .cse2 .cse3 .cse25 .cse1 .cse4) (or .cse1 (or .cse22 .cse21 .cse4) .cse8) (or .cse9 .cse17 .cse12 .cse3 .cse26 (and .cse13 .cse11 .cse14 .cse15)) (or .cse9 .cse17 .cse12 .cse1 .cse16 .cse26 .cse4) (or .cse6 .cse7 .cse5 .cse22) (or .cse0 .cse18 .cse2) (or .cse20 .cse1 .cse21 .cse4 .cse8) (or .cse2 .cse18 .cse25) (or .cse18 .cse22 .cse8) (or .cse9 .cse10 .cse11 .cse12 .cse20) (or .cse16 .cse3 .cse18 .cse22) (or .cse2 .cse6 .cse7 .cse25 .cse27) (or .cse2 .cse19 .cse20) (or .cse0 .cse1 .cse21 .cse4) (or .cse16 .cse2 (and .cse1 .cse28 .cse13 .cse15) .cse22 .cse4) (or .cse16 .cse1 .cse2 .cse20 .cse4) (or .cse1 .cse6 .cse7 .cse25 .cse4) (or .cse9 .cse10 .cse11 .cse25 .cse12) (or .cse16 .cse3 .cse1 .cse22 .cse4))))) [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,046 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,047 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,048 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,049 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,050 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (<= (+ ~a18~0 156) 0)) (.cse26 (< 0 (+ ~a18~0 79)))) (let ((.cse1 (= 8 |old(~a12~0)|)) (.cse17 (not (= 3 |old(~a15~0)|))) (.cse7 (< 0 (+ |old(~a18~0)| 156))) (.cse25 (<= (+ |old(~a18~0)| 79) 0)) (.cse24 (= |old(~a16~0)| ~a16~0)) (.cse11 (or (and .cse5 (= ~a15~0 3)) .cse26)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse20 (= 0 |old(~a12~0)|)) (.cse21 (and (= ~a16~0 10) .cse14 .cse16)) (.cse12 (and .cse24 .cse14 .cse16 .cse11)) (.cse4 (not (= 8 |old(~a16~0)|))) (.cse8 (and (or .cse17 .cse7) .cse25)) (.cse22 (not (= 10 |old(~a16~0)|))) (.cse23 (< 7 |old(~a12~0)|)) (.cse6 (= 4 |old(~a15~0)|)) (.cse10 (< |old(~a16~0)| 12)) (.cse9 (not .cse1)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse2 (and .cse24 .cse14 .cse16)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse13 (< |old(~a15~0)| 4)) (.cse19 (= |calculate_output_#in~input| 0)) (.cse0 (= 6 |old(~a12~0)|)) (.cse18 (not (= 11 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse6 .cse8 .cse9 .cse10 .cse11) (or .cse4 .cse12 .cse8 .cse9 .cse13) (or .cse4 (and .cse5 .cse14 .cse15 .cse16) .cse9 .cse7 .cse13) (or .cse4 .cse1 .cse2) (or .cse17 .cse18 .cse19 (and .cse14 .cse15 .cse16) .cse1 .cse20) (or .cse21 .cse22 .cse23) (or .cse0 .cse6 .cse1 .cse10 .cse5 .cse7) (or .cse5 (or .cse3 .cse23 .cse7) .cse13) (or .cse17 .cse5 .cse19 .cse0 (< |old(~a16~0)| 9) .cse20 .cse7) (or .cse6 .cse21 .cse22) (or .cse4 .cse5 .cse23 .cse7) (or .cse0 .cse6 (and .cse5 .cse24 .cse14 .cse16) .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse22 .cse7) (or .cse8 .cse9 .cse12 .cse3) (or .cse4 .cse2 .cse6) (or .cse5 .cse8 .cse9 .cse10 .cse7) (or .cse0 .cse1 .cse5 .cse3 .cse7) (or .cse22 .cse5 .cse23 .cse7 .cse13) (or .cse6 .cse2 .cse10) (or .cse17 .cse9 (and .cse25 .cse7) .cse18 (and (or .cse5 .cse26) .cse15 (= 3 ~a15~0) .cse16) .cse19) (or .cse2 .cse3 .cse13) (or (= (+ ~a18~0 87) 0) .cse19 (and (or .cse17 (not .cse0) .cse18) (or .cse17 (not (= 5 |old(~a12~0)|)) .cse18)) (not (= (+ |old(~a18~0)| 87) 0))))))) [2018-12-09 09:47:37,050 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 09:47:37,051 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,052 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,053 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,054 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 09:47:37,055 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,056 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,057 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,058 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 09:47:37,059 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse14 (not (= ~a12~0 6))) (.cse4 (not (= ~a15~0 4))) (.cse7 (<= (+ ~a18~0 156) 0)) (.cse13 (= ~a15~0 3)) (.cse9 (< 0 (+ ~a18~0 79)))) (let ((.cse2 (or (and .cse7 .cse13) .cse9)) (.cse12 (= 3 ~a15~0)) (.cse3 (= ~a16~0 10)) (.cse1 (and .cse14 .cse4 (not (= ~a16~0 12)))) (.cse5 (= 8 ~a16~0)) (.cse8 (not (= main_~input~0 0))) (.cse10 (not (= ~a12~0 0))) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse0 (= 9 ~a16~0)) (.cse6 (not (= ~a12~0 8)))) (or (and (and .cse0 .cse1) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse1 .cse3) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 12 ~a16~0) .cse4) (and .cse5 .cse2) (and .cse5 .cse6) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse7 .cse1) (and .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse7 .cse8 .cse10 .cse11 .cse12) (and .cse0 (<= 4 ~a15~0)) (and .cse3 (<= ~a12~0 7)) (and .cse7 .cse5) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse5) (and .cse8 .cse13 .cse6 .cse10 .cse11) (and .cse0 .cse14 .cse6)))) [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 09:47:37,059 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse10 (not (= ~a12~0 6))) (.cse4 (not (= ~a15~0 4))) (.cse7 (<= (+ ~a18~0 156) 0)) (.cse9 (= ~a15~0 3)) (.cse8 (< 0 (+ ~a18~0 79)))) (let ((.cse2 (or (and .cse7 .cse9) .cse8)) (.cse3 (= ~a16~0 10)) (.cse1 (and .cse10 .cse4 (not (= ~a16~0 12)))) (.cse5 (= 8 ~a16~0)) (.cse0 (= 9 ~a16~0)) (.cse6 (not (= ~a12~0 8)))) (or (and (and .cse0 .cse1) .cse2) (not (= 11 |old(~a16~0)|)) (and .cse1 .cse3) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 12 ~a16~0) .cse4) (and .cse5 .cse2) (and .cse5 .cse6) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse7 .cse1) (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0) (= 3 ~a15~0) (or .cse7 .cse8)) (and (= ~a16~0 11) .cse9 (not (= ~a12~0 0)) .cse6) (and .cse0 (<= 4 ~a15~0)) (and .cse3 (<= ~a12~0 7)) (and .cse7 .cse5) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse5) (and .cse0 .cse10 .cse6)))) [2018-12-09 09:47:37,059 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 09:47:37,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:47:37 BoogieIcfgContainer [2018-12-09 09:47:37,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:47:37,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:47:37,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:47:37,067 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:47:37,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:15" (3/4) ... [2018-12-09 09:47:37,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:47:37,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:47:37,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 09:47:37,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 09:47:37,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:47:37,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 09:47:37,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 09:47:37,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79)) || !(11 == \old(a16))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || !(\old(a18) + 87 == 0)) || (12 <= a16 && !(a15 == 4))) || (8 == a16 && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79))) || (8 == a16 && !(a12 == 8))) || !(3 == \old(a15))) || ((9 == a16 && a18 + 156 <= 0) && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((8 == a12 && \old(a16) == a16) && 3 == a15) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (9 == a16 && 4 <= a15)) || (a16 == 10 && a12 <= 7)) || (a18 + 156 <= 0 && 8 == a16)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a16)) || ((9 == a16 && !(a12 == 6)) && !(a12 == 8)) [2018-12-09 09:47:37,184 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7793e24-af13-48a7-8d55-7303ea280b45/bin-2019/utaipan/witness.graphml [2018-12-09 09:47:37,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:47:37,185 INFO L168 Benchmark]: Toolchain (without parser) took 263981.76 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 940.5 MB in the beginning and 4.4 GB in the end (delta: -3.5 GB). Peak memory consumption was 702.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:37,185 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:47:37,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:37,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:47:37,186 INFO L168 Benchmark]: Boogie Preprocessor took 59.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:37,186 INFO L168 Benchmark]: RCFGBuilder took 1365.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -4.4 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:37,186 INFO L168 Benchmark]: TraceAbstraction took 261864.38 ms. Allocated memory was 1.1 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 1.1 GB in the beginning and 4.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-09 09:47:37,186 INFO L168 Benchmark]: Witness Printer took 117.38 ms. Allocated memory is still 5.2 GB. Free memory was 4.6 GB in the beginning and 4.4 GB in the end (delta: 154.1 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:47:37,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1365.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -4.4 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 261864.38 ms. Allocated memory was 1.1 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 1.1 GB in the beginning and 4.6 GB in the end (delta: -3.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 117.38 ms. Allocated memory is still 5.2 GB. Free memory was 4.6 GB in the beginning and 4.4 GB in the end (delta: 154.1 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((9 == a16 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79)) || !(11 == \old(a16))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || !(\old(a18) + 87 == 0)) || (12 <= a16 && !(a15 == 4))) || (8 == a16 && ((a18 + 156 <= 0 && a15 == 3) || 0 < a18 + 79))) || (8 == a16 && !(a12 == 8))) || !(3 == \old(a15))) || ((9 == a16 && a18 + 156 <= 0) && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((8 == a12 && \old(a16) == a16) && 3 == a15) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a12 == 8))) || (9 == a16 && 4 <= a15)) || (a16 == 10 && a12 <= 7)) || (a18 + 156 <= 0 && 8 == a16)) || !(5 == \old(a12))) || (((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a16)) || ((9 == a16 && !(a12 == 6)) && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 261.8s OverallTime, 18 OverallIterations, 9 TraceHistogramMax, 227.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3226 SDtfs, 25222 SDslu, 1577 SDs, 0 SdLazy, 47764 SolverSat, 5924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 202.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 19667 GetRequests, 19425 SyntacticMatches, 21 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17247occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.4s AbstIntTime, 12 AbstIntIterations, 5 AbstIntStrong, 0.9981328645931579 AbsIntWeakeningRatio, 0.05748663101604278 AbsIntAvgWeakeningVarsNumRemoved, 16.120989304812834 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 1081 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1892 PreInvPairs, 2174 NumberOfFragments, 2692 HoareAnnotationTreeSize, 1892 FomulaSimplifications, 35088 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 24747 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 22219 NumberOfCodeBlocks, 22219 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 30392 ConstructedInterpolants, 0 QuantifiedInterpolants, 97398212 SizeOfPredicates, 7 NumberOfNonLiveVariables, 10521 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 32 InterpolantComputations, 10 PerfectInterpolantSequences, 62727/66089 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...